000 00287nam a22001097a 4500
082 _a658.3124
_bBEL.D
100 _aBlbin, R M
245 _aDiscovery method in training /
_cby R M, Blbin
260 _aLondon :
_bHer majesty's stationery office,
_c1969.
300 _a43p. :
942 _cBK
999 _c633228
_d633228